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Thread: 1993 Chevy 1500 4.3 to LS1 fuel pump help

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  1. #9
    Join Date
    Sep 2012
    Location
    Quakertown, Pa.
    Posts
    363
    A standard Vortec injected 305/350 fuel pump and sender from a 95- to 98 is all you need. When they updated to the Vortec injection in '95, it was a multiport fuel injection system requiring a higher fuel pressure. The LS engines also use this same high pressure system to run.

    It also required changing a couple wires at the pump but it was not complicated. Your original fuel pump relay can also be used but must get it's acuating power from the new PCM.
    Last edited by Mickeymotormount; 03-03-2013 at 03:22 PM.
    '93 Chevy 1500 4X4 ECLB with a '99 Silverado LQ4 6.0 and '99 Escalade 4L60E. SOLD IT!!

    New toy: 2001 2500 HD 4X4 Extended Cab Long Bed


    John

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